baber/WOPTO huggingface dataset:
Patent GB-123246-A (GB)
Title: Improvements in and relating to Heat Exchangers.
Inventor: THOMPSON HERBERT ALEXANDER
IPC: F24H1/40
Filed: 1918-02-15
Abstract: 123,246. Thompson, H. A., and Brown, T. T. Feb. 15, 1918. Steam or like heat-exchangers with preliminary circulation of hot gases.-Relates to means whereby a heat-exchanger such as that described in Specification 123,369, comprising a body or casing containing a series of tubes normally adapted to be heated externally by steam or other hot fluids, may be started in operation when the steam or other hot fluid is not available. The casing 1 of the heat-exchanger is provided with top and bottom apertures IV, II which are preferably arranged at opposite ends of the casing, and are provided with detachable covers. To start the heat.exchanger, the covers are removed and burners d from a portable oil heater are applied to the lower openings II, so that the hot gases therefrom circulate through the casing. When the steam or other hot fluid is available, the burners are removed and the covers replaced.
Patent GB-453919-A (GB)
Title: Improvements in mattresses and the like
IPC: A47C23/32
Filed: 1935-03-19
Abstract: 453,919. Spring upholstery. RHODES, Ltd., W., and LUDLAM, A. J., The Wells Road, Nottingham. March 19, 1935, No. 8511. [Class 52 (iv)] A textile sheet 4 is provided with pockets to receive the ends of the springs in an upholstery spring assembly and is connected at its edges to a rigid mattress frame by means of tension springs 12. Each end of the springs may be secured in this way or the lower ends may rest on bearer bars.
Patent GB-1083671-A (GB)
Title: Improvements in or relating to a sedimentati on device
Inventor: SPEITEL CAMILLE LEONIE
IPC: B01D21/00
Filed: 1963-03-04
Abstract: 1,083,671. Gravity separation apparatus. JAMES HOWDEN & CO. Ltd. March 2, 1964 [March 4, 1963], No. 8513,63. Heading B1D. In a sedimentation tank water enters through inlet 2 and flows from side 3 to an outlet 11 at side 3a by means of a sinuous passage 4, 5, 6 and 7 defined by baffle plates 14, 15 and 16 which are angled to provide upper sloping surfaces 14a, 15a and 16a which receive thereon solid impurities, a dust-bank 13 forming in the sloping base 10. Perforated plates 12, preferably arranged at an angle of 30‹ to the horizontal, are placed in runs 5 and 7 through which the water flows in an upward direction. The restricted exit from run 4, and the venturi shaped passage between runs 5 and 6 causes variations in the velocity as well as variations in flow direction of the water and dust particles therein.
Patent GB-208965-A (GB)
Title: Improvements in and relating to dry pipe valves for fire-extinguishing sprinkler systems
IPC: A62C35/64
Filed: 1923-03-26
Abstract: 208,965. Imrie, H., (Reliable Automatic Sprinkler Co., Inc.). March 26, 1923. Sprinklers, automatic.-In dry-pipe valve devices for sprinkler systems of the type in which the seats 4, 5 of the water valve 6 and air valve 18 respectively are arranged at an angle to one another, the water and air valves swing about a common pivot 14 which is substantially equidistant from the axes of the two valves when seated. The water valve 6 is connected by a swivel joint 8 to an arm 10 pivoted on a shaft 14 removably mounted in a slot 16 in a fixed bearing 15. The air valve 18 is pivoted to the arm 10 by means of a shaft 24, and its body portion 20 is formed with a diametricallyextending housing 21 carrying rollers 32, 37 coacting with guide-tracks 28, 38, whereby, when the valves open on release of the air pressure, the air valve is guided into a position parallel with the water valve and a clear passage for the water through the casing is obtained. The free end 11 of the arm 10 swings back into the housing 21, and is retained by a detent 41 engaging a notch 12. When the valves open, a normallyopen drip valve 44 is automatically closed by the disengagement of a lever 50. The water inlet 2 is of converging form.
Patent GB-890674-A (GB)
Title: Drum filter
IPC: B01D46/18
Filed: 1960-03-10
Abstract: 890,674. Air filters. LUWA A.G. March 10, 1960 [May 23, 1959], No. 8570/60. Class 8(2). A drum filter 3 employs roll filtering material taken off a delivery spool 28 to surround the major part of a cylindrical foraminous drum 12 there being no relative movement between the drum and the filter paper, which when fouled may be replaced by removing the soiled paper to a take up spool 29, by revolving a carriage 21, having frameworks 19 and 20, around the drum ends 4 and 5, a roller 30 and the spool 29 being held to and driven by the drum 12, the former to lay new paper, taken from the drums 28 and the latter to take up the fouled paper, the only uncovered portion of the drum 12, that portion between the roller 30 and spool 29, being sealed by a roller 36. The carriage 21 runs around the drum ends 4 and 5 on wheels 14 and 15 and is held thereon by tensioning links 16 and springs 22 working against a second rib of wheels 14 and 15 diametrically opposed to the first set and connected to the frameworks 19 and 20 by angles 24 and 25 and axially concentric rings 26 and 27, the latter having a U-shaped peripheral groove which carries a driving chain 38 meshing with the sprocket wheel 40 of the electric motor 39. The drum 12 is supported on members 11 connecting the drum ends 4 and 5 and the cylindrical portions thereof 9 and 10, air being sucked into the drum interior 13 and thence out of the short pipe 7, by a fan, (not shown). The electric motor 39 may be actuated by a device measuring the pressure drop across the filter paper.
Patent GB-395099-A (GB)
Title: Apparatus for use in the playing of games
IPC: A63B71/02
Filed: 1932-03-23
Abstract: 395,099. Games; punching - balls. MULHOLLAND, C., 17, Airedale Avenue, Marton, Blackpool. March 23, 1932, No. 8577. [Classes 132 (i) and 132 (ii).] Apparatus for practising or playing ball games, for example, golf, cricket, or tennis, or for use as a punch-ball apparatus, comprises a vertical rod or pillar A having a spiral groove of sufficiently coarse pitch to permit the co-operating nut device B to which the ball C is tethered to descend automatically to the bottom of the rod after reaching the top of its travel. The nut device is formed of bent wire joined together at the ends. The vertical rod is supported by a base D or by guy ropes or by insertion in the ground. For cricket the ball is raised an appropriate distance from the ground, whilst for tennis or for use as a punchball apparatus the whole device is preferably mounted on a raised stand.
Patent GB-102449-A (GB)
Title: An Improved Weeding Tool.
Inventor: CHEESMAN WILLIAM EDWARD FOSTER
IPC: A01B1/18
Filed: 1916-06-17
Abstract: 102,449. Cheesman, W. E. F. June 17, 1916. Holding and picking-up tools; reachers.-A spud b mounted on a handle a has pivoted to it a curved jaw c which is turned about its pivot to grip weeds against the back of the spud by the movement of a hand-operated rod h to which the jaw is connected by a yokepiece g. A spring j normally holds the jaw in inoperative position against a stop f. The Provisional Specification states the pivoted jaw may be replaced by fixed prongs.
Patent GB-690373-A (GB)
Title: Recovery of beryllium oxide
IPC: C01F3/00
Filed: 1948-03-23
Abstract: Crystalline beryllia is obtained from raw material such as beryl by melting, preferably above 2700 DEG F, a mixture of the mineral with a base which includes a metal higher than monovalent, such as calcium, magnesium, manganese or aluminium oxides, and in the absence of carbon, to form free crystalline beryllia in a friable silicate matrix whose base to silica ratio is not less than 2 : 1.  The cooled mass is disintegrated and digested with acids such as sulphuric or hydrochloric leaving the beryllia as an insoluble residue, or the separation may be effected by froth flotation.  For further purification the product is again fired with a displacing base, preferably two moles of calcium oxide per mole of silica and 1 to 3 moles per mole of alumina being provided.  The gangue is removed as before.  The preferred base is a mixture of calcium and magnesium oxides such as is found in dolomite.
Patent GB-526495-A (GB)
Title: Hydrogenation of adiponitrile
IPC: C07C209/48
Filed: 1939-03-17
Abstract: 526,495. Hydrogenation of adiponitrile ; hexamethylene imine. DU PONT DE NEMOURS & CO., E.I. March 17, 1939, No. 8616. Convention date, March 17, 1938. [Class 1 (i)] [Also in Group IV] Adiponitrile is hydrogenated in presence of an excess of ammonia and in the gaseous phase, preferably at 150-350‹C., with a nickel catalyst, and a contact time of 2-60 seconds. The product consists chiefly of hexamethylene imine with some hexamethylene diamine. Specifications 282,083, [Class 1 (i)], 490,922 and 526,497, are referred to.
Patent GB-630914-A (GB)
Title: Process for the production of starch conversion products
IPC: C08B30/12
Filed: 1947-03-31
Abstract: Dextrins and other starch conversion products are prepared by subjecting starch impregnated with an acidic starch degrading agent to chemical degradation at relatively low temperatures, followed by thermal degradation in a non-oxidising environment at a relatively high temperature, preferably 130-170 DEG  C., the chemical degradation being accompanied by drying of the material under vacuum, this drying being completed before thermal degradation takes place. The product may be cooled in the same non-oxidising environment, which may be a vacuum or an inert gas such as nitrogen.  The drying preferably takes place at a temperature not exceeding 125 DEG  C., the process taking one to five hours at temperatures insufficient to cause pasting of the starch, with a further treatment at a temperature not exceeding 125 DEG  C. until the water content of the material is below 1 per cent.  The starch degrading agent employed, which may be gaseous, may be an inorganic or organic acid or a salt of acid reaction, preferably an acid such as hydrochloric acid which volatilises as the material dries, any residue being inactivated before carrying out the thermal degradation, preferably by treating with an alkaline gas such as ammonia.  A preliminary part of the chemical degradation may be carried out under atmospheric pressure, the remainder being effected simultaneously with the drying under vacuum, and the starch may be dried partially before being impregnated with the degrading agent.  Preferably the impregnation, chemical degradation, drying, thermal degradation and cooling take place in a single container.
Patent GB-1396657-A (GB)
Title: Fire retardant compositions
IPC: C07B/
Filed: 1973-02-22
Abstract: 1396657 Halogenated 3a,4,7,7a-tetrahydro- 4,7-methanoindene VELSICOL CHEMICAL CORP 22 Feb 1973 [23 Feb 1972] 8679/73 Heading C2C [Also in Division C3] Halogenated compounds of formula where X is H or Br are prepared by brominating 4,5,6,7,8,8 - hexachloro - 3a,4,7,7a - tetrahydro- 4,7-methanoindene, and where X is Cl by brominating 3,4,5,6,7,8,8-heptachloro-3a,4,7,7atetrahydro-4,7-methanoindene. The compounds may be used as fire retardants for combustible polymers.
Patent GB-1494921-A (GB)
Title: Garment with waist-band
IPC: A41F9/00
Filed: 1975-03-03
Abstract: 1494921 Waist - bands DOLLFUS MIEG & CIE 3 March 1975 [5 March 1974] 8686/75 Heading A3V A garment e.g. skirt, trousers with a waistband comprising a strip 1, e.g. of a lining material or taffeta, folded around a reinforcing piece 2, e.g. of linen or a non-woven fabric is characterised in that a tape 3 is attached to the strip e.g. by stitching 4, the upper edge of the garment being inserted between tape 3 and strip 1 and may be joined thereto by machine stitching 9, the strip being folded over, during the fitting of the belt onto the garment, onto the reverse 8a of the fabric 7 of the garment and being attached to the fabric e.g. by stitching 10. Edge 5 of tape 3 may project slightly beyond edge 6 of strip 1 so that the latter is hidden when the garment is worn. External belt loops 8 are fitted to fabric 7 prior to inserting the latter between tape 3 and strip 1. Tape 3 stiffens the waist-band and prevents the garment stretching at waist level.
Patent GB-550535-A (GB)
Title: Improvements in or relating to electrolytic condensers
IPC: H01G9/12
Filed: 1941-07-10
Abstract: 550,535. Electrolytic condensers. DUBILIER CONDENSER CO. (1925), Ltd., and COTTON, J. H. July 10, 1941, No. 8716. [Class 37] An intermediate connector C of suitable non-corrodible material, such as aluminium, is secured to an electrode of an electrolytic condenser A at one end and is joined to the external lead D as by deforming a surrounding sleeve C<2>, the joint being embedded in a deformable plug E as of rubber, sealing an end or neck of the container B. In the case of a neck as shown the neck is crimped as at B3, B4 above and below the joint.
Patent GB-181833-A (GB)
Title: Improvements in or relating to boot or shoe upper pulling machines
IPC: A43D23/00
Filed: 1921-03-21
Abstract: 181,833. Gouldbourn, J., Minett,W. T., and British United Shoe Machinery Co., Ltd. March 21, 1921. Lasting and pulling-over.-A pulling-over machine is provided with a warning or preventivedevice which becomes active in the event of a failure of upper conforming means (holding the stretched upper) to attain a relative position admitting of movement of the upper conforming means across the edge of the shoe bottom, for securing that a later operation shall not be performed with such abnormality continuing. Fig. 1 shows such a warning device applied to a machine of the kind described in Specifications 7005/00 and 12304/03. Mounted on the toe pincer on an insulating block 22 is a spring-pressed plunger 24 adapted to contact with an insulated block 28, thereby closing an electric circuit, which includes a lamp 30, only when the pincer has risen sufficiently high to clear the edge of the insole as it moves in when the machine is tripped a second time. The toe pincer jaws have rows of intermeshing pins 3, 5 to limit entry of the upper into the pincer and a insole hold down member 11 is provided. This member slides in ways on the rear face of the pincer casing under tension of a spring 12, and is adapted to be moved down into operative position by a, stop 20 on the casing and locked by latching shoulders 13 on a spring-pressed bar 14 sliding in the forward part of the shoe rest carrier 14a. The member 11 is released when the front driver bar arm moves in, in the second stage of the cycle, by the engagement of a cam extension 18 on the pincer latch 17 with the end of the bar 14. Figs. 2 and 3 show, as applied to a machine of the type described in Specification 150,424, means for preventing tack driving if the pincers have not risen sufficiently to clear the insole. One of the updraw levers 40 has connected to it a link 41 slotted at 42 to receive a pin 43 on an arm 44 loosely mounted on a shaft 45 rotatable in the machine frame. A second arm 46 extending from the arm 44 is connected by a link 47 to a bar 48 normally held in the path of movement of a block 49 on a cam slide bar 50. The bar 48 is connected through arms 51, 52 and a link 54 to an arm 55 fast on the shaft 45. An arm 56 fast on the shaft 45 operates through links 57, 59, 60 a slide 64 arranged to engage a lug 65 on the tack pot to prevent delivery of tacks. Also fixed on the shaft 45 is an arm 67 connected by a link 68 to a bell-crank lever 69 fixed on a shaft 70. The second arm of the lever 69 is connected by a link 73 to an arm 74 fast on a shaft 75. On the ends of the shafts 70, 75 are cams 76 situated in slots on sliding rods 77 the ends of which are adapted to enter grooves 78 in the tack drivers 79 to prevent their movement. If the pincer has risen sufficiently the lever 40 operates to move the rod 48 clear of the slide 50. If the pincers are not clear of the insole the rod 48 is moved by the slide 50 to render the tack delivery and driving mechanisms inoperative. Specifications 7247/01 and 145,851 also are referred to.
Patent GB-946381-A (GB)
Title: Motor control system for an industrial truck
IPC: H02P7/282
Filed: 1962-03-07
Abstract: 946,381. Control of D.C. motors; controllers. YALE & TOWNE MANUFACTURING CO. March 7, 1962 [April 10, 1961], No. 8734/62. Headings H2B and H2J. The traction motor of a truck has a controller 5 secured to the motor housing 2 and enclosing a plurality of pairs of terminals 18 ... 21 connected to opposite ends of field windings 2a ... 2d respectively, and including means for connecting the windings in series, in parallel or for short-circuiting the windings to vary the motor speed. Contact fingers 28 pivotally mounted on terminals 18, 19, 20 are biased by springs 31, 32, into contact with the left-hand terminals 19, 20, 21. Each right-hand finger 28 is movable between both terminals of a pair by an enlarged portion 36a of a spring-pressed actuating rod 36, while each left-hand finger 28 is movable into or out of contact with only the left-hand terminal. Actuating rods 36 are moved in a predetermined sequence by cams 41 on a rotatable shaft 42 operated through levers 8, 9 by a pedal on the truck.
Patent GB-214606-A (GB)
Title: Improved manufacture of "leads" for pencils and pencilholders
IPC: B43K19/04
Filed: 1924-04-07
Abstract: 214,606. Mir¾, R. S. April 20, 1923, [Convention date,]. Leads for pencils and pencil-holders are composed of an alloy of platinum, lead, tin, and copper. The metals are mixed together intimately by fusion and the fused mixture is run into moulds to form the leads.
Patent GB-526551-A (GB)
Title: Improvements in road wheel mountings
IPC: B60G3/20
Filed: 1939-03-20
Abstract: 526,551. Vehicle spring-suspensions. DAIMLER-BENZ AKT.-GES. March 20, 1939, No. 8810. Convention date, April 22, 1938. [Class 108 (ii)] [Also in Group XXXI] A stub-axle carrier g for a steerable wheel b is bent at either or both ends, as at g<SP>1</SP>, towards the suspension links or springs k connecting it to the chassis. The axle carrier can thus be disposed more deeply within the brake drum d of the wheel b. In the construction shown the stub axle e has a sleeve f pivoted on the carrier g and is prevented from vertical movement thereon by an eye h fixed to the carrier and forming the connection to the upper link k.
Patent GB-273030-A (GB)
Title: Improvements in devices for directing vehicular and other road traffic
IPC: E01F9/06
Filed: 1926-04-06
Abstract: 273,030. Freestone, F. S., and Dennis, W. E. April 6, 1926. Surface markings. - A road - marking element comprises a head c of brass or other non-corroding material and a shank b of strong material, such as iron. The shank b may be of flat, circular, or angular cross-section with an enlarged top b<4> about which the head c is cast. The top b<4> may have a reduced extension reaching to the surface of the head c. In a modified form, the shank may be tapered to enter a hole in the head c and be riveted over. The shank b may have a slot d or lateral projections to assist in retaining the elements when embedded in concrete &c.
Patent GB-1469861-A (GB)
Title: O-aminoalkyl-glucose and galactose derivatives
IPC: C07H17/02
Filed: 1974-02-28
Abstract: 1469861 O - (t - Aminoalkyl) - glucose and galactose derivatives STRATEGIC MEDICAL RESEARCH CORP 28 Feb 1974 [1 March 1973] 9038/74 Heading C2C Novel compounds selected from one of the following classes of compounds: 3-O-3<SP>1</SP>-dimethylaminopropyl-glucose, 3-O-N-methyl-4<SP>1</SP>- piperidyl - glucose, 3 - O - 2<SP>1</SP> - dimethylaminoethyl - glucose, 3 - O - 31 - dimethylamino - 2<SP>1</SP>- methylpropyl-glucose, 1-dimethylamino-2-propyl glucoside, 6 - O - 3<SP>1</SP>- dimethylaminopropylgalactose, 3 - O - 1<SP>1</SP> - dimethylamino - 2<SP>1</SP>- propyl-glucose, 6 - O - 1<SP>1</SP> - dimethylamino- 21 - propyl - galactose, modifications thereof wherein at least one free monosaccharide OH group is blocked and acid salts thereof, or a mixture of at least two said compounds are prepared by etherification of an appropriately blocked monosaceharide, and, if desired removing the blocking group. The unblocked compounds are in the pyranose form and the blocked compounds in the glucofuranose or galactopyranose form; the blocking group being isopropylidene. The novel compounds have anti-viral activity and the blocked derivatives may be used in pharmaceutical compositions.
Patent GB-1451289-A (GB)
Title: Analytical apparatus for serial determination of nitrogen in  samples
IPC: G01N31/00
Filed: 1974-02-28
Abstract: 1451289 Kjeldahl apparatus VERWALTUNGS AG NK 28 Feb 1974 [1 March 1973] 9059/74 Heading G1B Apparatus for the serial determination of nitrogen in samples by the Kjeldahl method comprises from 4 to 7 flasks (numbered 1 to 6 in the embodiment shown) suspended vertically in a ratable carrier, each flask having a cover 1b to 6b and a sidetube 1a connected to means for the collection of combustion products, (as shown, common central container 8), means for turning the carrier stepwise to position each flask in turn at a succession of operating stations, means 11 or 12 for heating the flask at one operating station, at a further operating station means 17 for blowing cooling air against the flask, means 20, 21 for opening the cover of the flask and means 18 for feeding diluent water, preferably as a spray, into the flask at that station, means 43, 44, 42 for introducing excess of neutralizing chemical(s) into the flask at a further operating station, and at that station means 26, 25 (23), Fig. 2 (not shown) for generating and feeding steam to the flask and means 32, 35, and 37, 39, 40, 41 for collecting and titrating the distillate, and means, for example blowing means, (not shown) for emptying a flask at a further operating station. The filtration may be carried out by addition of acid through line 37 simultaneously with the dripping of the ammoniacal condensate into titration vessel 35, the addition of the acid being controlled automatically by measurement of an indicator endpoint colour by a photo-cell device to keep the reaction mixture substantially neutral. A tabletted composition for use in the determination comprises a homogenous mixture of potassium sulphate and (as catalyst) mercuric oxide.
Patent GB-129400-A (GB)
Title: Improvements relating to the Conversion of Electric Currents.
IPC: H02M1/22
Filed: 1918-12-19
Abstract: 129,400. Bennett, C. N., and Lyon & Wrench, A. Dec. 19, 1918. Commutator switching - arrangements. - Apparatus for converting alternating current to direct current comprises a self-starting synchronous alternating - current fi e l d motor of the type wherein the rotor is built up of laminµ provided with grooves so as to form salient poles, and is provided with a short-circuited or squirrel - cage winding, and a commutator of the type having a pair of sliprings 8 with central interlocking- portions 4. The motor 1 is vertically mounted on the casing containing the commutator, a combined starting and connecting switch being placed in the base of the casing. The pedestal 2 of the motor is provided with slots so that the position of the motor may be adjusted relatively to the position of the brushes. The arrangement of circuits is shown in Fig. 5, the alternating current for conversion being supplied by the mains b, b, either direct or through a transformer to give any desired voltage. The motor is supplied through the mains a, a which may form a shunt at a point prior to voltage transformation. The arms 16, 17 of the connecting-switch close the connexion between the slip-rings 8 and the direct-current supply mains c, c through the bushes 7. The motor 1 is preferably of the kind described in Specification 14650/15, [Class 35, Dynamo-electric generators &c.].